After understanding most of the material for OCA, and now halfway in memorizing, i took a look at Oracle SQL tuning books to relieve my monotomy, and noticed that my Oracle understanding is still quite low.
I am mainly interested in tuning, like tuning a racecar or tuning a strategy game.
Now i know if i got OCA i still dont have the competency, thus now i will focus to understand how oracle works by going into SQL tuning.
PLSQL is just a language can be easily learned, can do it later. Most important is SQL tuning.
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